Improvement im saw-filing vises



C. S. BUNNEY.

Saw-Filing Vises.

N0.135,883. Patented Feb. 18,1873.

Y'Wihaaws.

AM. mom-umosRAPH/c 00. um osaamvs's PROCE ivrrn CHARLES S. BONNEY, 0F PHILADELPHIA, PENNSYLVANIA.

IMPRGVEMENT IN SAW-FILENG VlSES.

Specification forming part of Letters Patent No. 135,883, dated February 18, 1873.

To all whom it may concern:

Be it known that 1, CHARLES S. BONNEY, of the city and county of Philadelphia, in the State of Pennsylvania, have invented certain Improvements in Saw-Filing Vises, of which the following is a specification:

The nature and object of the inventionis to produce a vise for holding saws, while being tiled, much more firmly than the ordinary sawtiling vise, thereby preventing much of the noise and trembling of the same, and consequ'ent wearing of the file.

position by the cross-bar Gr, resting in the curves D D, where it can rock sufliciently to allow the opening and closing of the jaws. J is an eccentric lever, which works in the end of the arms 0 O at EB, and which closes the vise by a downward movement of the same, the vise being so constructed that it will open itself when the lever is raised. The trembling of the saw is prevented by turning the screws H H against the saw, so as to spring the same sufi'ciently for the purpose.

Claim.

I claim The adjustable screws H H, in combination with the jaws A B for springing the saw to any desired amount to prevent the trembling of the same.

CHARLES S. BONNEY.

Witnesses:

DAVID BEITLER, FRANK W. HUFF. 

